EP2591071B1 - Aufstromregeneration eines fcc-katalysators für mehrstufiges cracken - Google Patents
Aufstromregeneration eines fcc-katalysators für mehrstufiges cracken Download PDFInfo
- Publication number
- EP2591071B1 EP2591071B1 EP11741289.0A EP11741289A EP2591071B1 EP 2591071 B1 EP2591071 B1 EP 2591071B1 EP 11741289 A EP11741289 A EP 11741289A EP 2591071 B1 EP2591071 B1 EP 2591071B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- catalyst
- regenerator
- upflow
- spent catalyst
- diameter zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003054 catalyst Substances 0.000 title claims description 121
- 230000008929 regeneration Effects 0.000 title claims description 17
- 238000011069 regeneration method Methods 0.000 title claims description 17
- 238000005336 cracking Methods 0.000 title claims description 6
- 239000000571 coke Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 25
- 230000009849 deactivation Effects 0.000 claims description 14
- 238000004231 fluid catalytic cracking Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 description 16
- 150000002430 hydrocarbons Chemical class 0.000 description 16
- 239000004215 Carbon black (E152) Substances 0.000 description 7
- 238000004523 catalytic cracking Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/0025—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor by an ascending fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/12—Treating with free oxygen-containing gas
- B01J38/30—Treating with free oxygen-containing gas in gaseous suspension, e.g. fluidised bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
- B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
- B01J8/30—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other the edge of a lower bed projecting beyond the edge of the superjacent bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/38—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it
- B01J8/384—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only
- B01J8/388—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed containing a rotatable device or being subject to rotation or to a circulatory movement, i.e. leaving a vessel and subsequently re-entering it being subject to a circulatory movement only externally, i.e. the particles leaving the vessel and subsequently re-entering it
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
- C10G11/182—Regeneration
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G51/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more cracking processes only
- C10G51/06—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more cracking processes only plural parallel stages only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/70—Catalyst aspects
- C10G2300/708—Coking aspect, coke content and composition of deposits
Definitions
- the present invention relates to the area of Fluidized Catalytic Cracking (FCC) of heavy hydrocarbons into lighter fractions with a fluidized stream of catalyst.
- FCC Fluidized Catalytic Cracking
- this invention relates to the improved process of regeneration of spent catalyst comprising varying level of coke from multiple fluidized bed catalytic cracking reactors resulting in reduced hydrothermal and metal deactivation of catalyst and also an apparatus thereof.
- the present invention provides an improved process for regeneration of FCC spent catalysts of varying coke content from multiple fluidized bed catalytic cracking reactors employing upflow regenerator of multiple diameter zones.
- the spent catalyst containing the highest coke content is fed at the bottom of the upflow regenerator and the spent catalysts containing lesser coke content are fed at higher elevations than the feeding point of highest coke content spent catalyst.
- the elevation of feeding point of each spent catalyst to the upflow regenerator is so designed such that the residence time required for the spent catalyst to burn the coke to the desired level.
- the regenerator system may be operated in more than one fluidization regime without the use of additional structural elements like placing an internal vessel, vertical partition or a baffle.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Claims (7)
- Prozess zur verbesserten Regeneration von verbrauchten Katalysatoren für das fluidkatalytische Cracken (FCC) mit unterschiedlichem Koksgehalt aus mehreren FCC-Reaktoren unter Verwendung eines Aufstromregenerators mit mindestens einer ersten Durchmesserzone und einer zweiten Durchmesserzone, umfassend:- Zuführen des ersten verbrauchten Katalysators aus einem ersten FCC-Reaktor am unteren Ende der ersten Durchmesserzone des Aufstromregenerators, und- Zuführen des zweiten verbrauchten Katalysators aus einem zweiten FCC-Reaktor in der zweiten Durchmesserzone in einer höheren Erhebung als der Zuführpunkt des ersten verbrauchten Katalysators in einem Aufstromregenerator,- Trennen eines regenerierten Katalysators von der ersten Durchmesserzone und der zweiten Durchmesserzone des Aufstromregenerators von Rauchgasen in einem Trennsystem und Zyklonen, die an der Oberseite des Aufstromregenerators vorgesehen sind,wobei der Koksgehalt des ersten verbrauchten Katalysators mindestens 0,1 Gew.-% höher ist als der Koksgehalt des zweiten verbrauchten Katalysators und die Verweilzeit des ersten und zweiten verbrauchten Katalysators im Aufstromregenerator basierend auf dem jeweiligen Koksgehalt bestimmt wird, und wobei das hydrothermale und metallische Deaktivieren des ersten verbrauchten Katalysators und des zweiten verbrauchten Katalysators minimiert wird;
wobei eine Verweilzeit des Katalysators im Bereich von 5-30 Sekunden in der ersten Durchmesserzone liegt, während die Verweilzeit des Katalysators in der zweiten Durchmesserzone im Bereich von 10-30 Sekunden liegt,
wobei ein Durchmesser der ersten Durchmesserzone kleiner ist als der Durchmesser der zweiten Durchmesserzone; und
wobei eine Erhebung der ersten Durchmesserzone geringer ist als eine Erhebung der zweiten Durchmesserzone. - Verfahren nach Anspruch 1, wobei der Koksgehalt des ersten verbrauchten Katalysators im Bereich von 0,4 - 3 Gew.-% variiert.
- Verfahren nach Anspruch 1, wobei der Koksgehalt des zweiten verbrauchten Katalysators im Bereich von 0,3 - 2,9 Gew.-% variiert.
- Verfahren nach Anspruch 1, wobei die Oberflächengeschwindigkeit des Gases in allen Zonen des Aufstromregenerators mehr als 2 m/Sek. gehalten wird.
- Verfahren nach Anspruch 1, wobei der Aufstromregenerator mit mehr als zwei Durchmesserzonen arbeitet, die der Anzahl der Zuführpunkte des verbrauchten Katalysators entsprechen, wobei ein Katalysator mit dem höchsten Koksgehalt am unteren Ende der kleinsten Durchmesserzone am untersten Abschnitt des Regenerators eintritt und der Katalysator mit dem niedrigsten Koksgehalt am unteren Ende der größten Durchmesserzone am obersten Abschnitt des Regenerators eintritt.
- Verfahren nach Anspruch 1, wobei Luft oder sauerstoffhaltige Gase auf unterschiedlichen Niveaus als Reaktions- und Hebemedium entlang der Länge des Aufstromregenerators eingespritzt werden.
- Verfahren nach Anspruch 1, wobei die FCC-Reaktoren Aufstrom-, Abstrom-, Schrägströmungs-, turbulente Schichtsowie Dichtheitsreaktoren in beliebiger Anzahl unter variierender Betriebsstärke unter Verwendung von Crack-Katalysatoren und Zusatzstoffen beinhalten.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN747KO2010 | 2010-07-08 | ||
PCT/IN2011/000441 WO2012004805A1 (en) | 2010-07-08 | 2011-07-04 | Upflow regeneration of fcc catalyst for multi stage cracking |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2591071A1 EP2591071A1 (de) | 2013-05-15 |
EP2591071B1 true EP2591071B1 (de) | 2018-12-12 |
Family
ID=44629865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11741289.0A Active EP2591071B1 (de) | 2010-07-08 | 2011-07-04 | Aufstromregeneration eines fcc-katalysators für mehrstufiges cracken |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130172173A1 (de) |
EP (1) | EP2591071B1 (de) |
TR (1) | TR201903230T4 (de) |
WO (1) | WO2012004805A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8888899B2 (en) * | 2012-04-12 | 2014-11-18 | Kellogg Brown & Root Llc | Transfer line for the primary cyclone of a gasifier |
US9290705B2 (en) | 2012-10-19 | 2016-03-22 | Saudi Arabian Oil Company | Process for high severity catalytic cracking of crude oil |
CN103509596B (zh) * | 2013-09-29 | 2015-08-26 | 中国石油大学(北京) | 一种加工劣质重油的方法 |
CN105268381B (zh) * | 2014-07-03 | 2017-09-15 | 中国石油化工股份有限公司 | 用于甲醇制烯烃的下行床反应‑再生装置及其反应方法 |
CN105561895B (zh) * | 2014-10-14 | 2018-05-11 | 中国石油化工股份有限公司 | 带催化剂混合器的甲醇制烯烃装置及反应方法 |
CN105566023B (zh) * | 2014-10-14 | 2017-11-21 | 中国石油化工股份有限公司 | 高效混合的甲醇制烯烃反应‑再生装置及其反应方法 |
BR112018072147A2 (pt) * | 2016-04-29 | 2019-02-12 | Basf Corporation | projeto de unidade de desativação de metal cíclica novo para a desativação de catalisador de fcc |
US10781377B2 (en) * | 2017-11-30 | 2020-09-22 | Uop Llc | Process and apparatus for cracking hydrocarbons to lighter hydrocarbons |
CN114426877B (zh) * | 2020-10-29 | 2023-07-14 | 中国石油化工股份有限公司 | 一种原油催化裂解生产低碳烯烃和btx的方法 |
US20230183582A1 (en) | 2021-12-14 | 2023-06-15 | Anellotech, Inc. | Process for converting solid hydrocarbonaceous materials to chemicals and fuels |
Family Cites Families (22)
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US4514285A (en) | 1983-03-23 | 1985-04-30 | Texaco Inc. | Catalytic cracking system |
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FR2802211B1 (fr) | 1999-12-14 | 2002-02-01 | Inst Francais Du Petrole | Procede et dispositif de craquage catalytique comprenant en parallele au moins un reacteur a ecoulement ascendant et au moins un reacteur a ecoulement descendant |
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US20080011645A1 (en) | 2006-07-13 | 2008-01-17 | Dean Christopher F | Ancillary cracking of paraffinic naphtha in conjuction with FCC unit operations |
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-
2011
- 2011-07-04 EP EP11741289.0A patent/EP2591071B1/de active Active
- 2011-07-04 TR TR2019/03230T patent/TR201903230T4/tr unknown
- 2011-07-04 WO PCT/IN2011/000441 patent/WO2012004805A1/en active Application Filing
- 2011-07-04 US US13/808,799 patent/US20130172173A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
TR201903230T4 (tr) | 2019-03-21 |
EP2591071A1 (de) | 2013-05-15 |
WO2012004805A1 (en) | 2012-01-12 |
US20130172173A1 (en) | 2013-07-04 |
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